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The Pamphlet Collection of Sir Robert Stout: Volume 14

Remedies

Remedies.

Again, as in the case of other insects productive of similar harm to corn crops, there is no practical remedy which farmers can adopt. There is a natural enemy in the form of a parasite Ichneumon fly, known as Pachymerus calcirator (No. 6 and 7). This is about the same size as the Cephus, dark coloured, with a long exserted ovipositor as in most of these species of insects. With this it places its eggs in the bodies of the larvæ of the Cephus, from which eggs larvae are soon developed. These quickly eat up the victimised entertainers of strangers unawares.